Exam PL-400 topic 3 question 34 discussion

patch is correct

https://learn.microsoft.com/en-us/power-platform/power-fx/reference/function-patch#overview

UpdateContext ONLY applies to Canvas Apps [1] The question says "model-driven", so Patch is correct here, since it's the only one of the two that works with model-driven apps. [2] [1] https://learn.microsoft.com/en-us/power-platform/power-fx/reference/function-updatecontext [2] https://learn.microsoft.com/en-us/power-platform/power-fx/reference/function-patch

Correct - since the question says "model-driven" the only correct answer is UpdateContext. UpdateContext( { Person: { Name: "Milton", Address: "1 Main St" } } ) Creates or modifies the context variable Person, setting its value to a record. The record contains two columns, named Name and Address. The value of the Name column is Milton, and the value of the Address column is 1 Main St. Person has the value of record { Name: "Milton", Address: "1 Main St" } }. Reference this record as a whole with the name Person, or reference an individual column of this record with Person.Name or Person.Address. If the question said canvas app then Patch would be the answer.

The correct answer is D. Patch(

Shouldn't it be a Canvas App in order to use the Patch()?

D The proposed sintax does not match with UpdateContext

To copy information for the selected product and create a record in the data source in a model-driven app, you should use the Patch function. The Patch function is commonly used in Power Apps to modify or create records in a data source.

D should be

The answer is correct, but the app should be Canvas App, not Model-driven.

except that we are talking about model driven apps here and I don't think these functions apply to this type of app, but still the correct function to create or update a record is Patch

https://learn.microsoft.com/en-us/power-platform/power-fx/reference/function-patch

Patch function should be the correct answer

It should be Patch function